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Malsch, D. (author), Gleichmann, N. (author), Kielpinski, M. (author), Mayer, G. (author), Henkel, T. (author), Mueller, D. (author), Van Steijn, V. (author), Kleijn, C. (author), Kreutzer, M.T. (author)We describe the formation of water in oil droplets, which are commonly used in lab-on-a-chip systems for sample generation and dosing, at microfluidic Tshaped nozzles from elastic feed lines. A narrow nozzle forms a barrier for a liquid–liquid interface, such that pressure can build up behind the nozzle up to a critical pressure. Above this...journal article
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Miloh, T. (author)The image system of singularities of an arbitrary exterior potential field within a tri-axial ellipsoid is derived. It is found that the image system consists of a source and doublet distribution over the fundamental ellipsoid. The present contribution is a generalization of previous theories on the image system of an exterior potential field...report 1973
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Sevenhuijsen, P.J. (author)The measurement of deformations remains an important discipline for the development and evaluation of structures. The report gives a survey of the most important measurement methods now available. Aspects of light which are vital for the understanding of optical methods are treated because these methods become more and more important. The...report 1982
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Gerritsen, F.A. (author)This report describes the design and implementation of the Delft Image Processor DIP-1. In this pipelined image-processing computer, a number of storage and processing modules which operate concurrently and synchronously (hardware floating-point ALUs and multiplier, conversion table and cellularlogic table) may be interconnected in a...report 1982
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van Popta, R.G. (author)A method is described, by which geographical data are superposed in real time to the high resolution HRPT imagery, received from the TIROS-N series satellites. The superposition of additional geographical data is important for an accurate position determination of the image data. Computations necessary for the transformation, conversion and...report 1982
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van Popta, R.G. (author)Since mid 1982, the Royal Netherlands Meteorological Institute KNMI has to its possession a ground station (KOSMOSS), which receives and processes high resolution imagery, acquired from Tiros-N type weather satellites. To determine the weather positions in the images, the ground station is equipped with the capability to superpose, in real time,...report 1983
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van der Lubbe, J.C.A. (author)Image quality plays an important role on the various levels of image processing. However, until now it lacks a survey of methods for the evaluation of image quality. With a grant of the Netherlands Agency for Aerospace Programs (NIVR) a study was performed with respect to the quantification of image quality. Some results of this study are...report 1984
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de Pagter, P.J. (author), Renes, J.J. (author)This report describes the results of a feasibility study on image data compression using spline approximation and image segmentation, with emphasis on earth observation applications. The main subjects dealt with, are: the data compression method, implementation aspects, the test software and test results. It appears that a reduction factor of 5...report 1985
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Verhoef, W. (author)A simple analytical four-stream radiative transfer model based on Suits's differential equations is applied to the atmosphere-earth system in order to investigate the effects of the atmosphere and the view angle on remotely sensed multispectral radiance data from vegetation canopies. This scene radiation model is composed of two atmospheric...report 1985
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- Young, I.T. (author), Verbeek, P.W. (author), Mayall, B.H. (author) journal article 1986
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Hogendoorn, R.A. (author)Non-specialist users of data compression often encounter difficulties with the selection of an algorithm, suited for their application. This report tries to facilitate this task by providing the necessary information about the algorithms. Four established, at the National Aerospace Laboratory available algorithms were selected for this study: -...report 1986
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Roefs, H.F.A. (author), Monkel, A. (author)Project CADISS has produced an elegant breadboard of a system for compression (and -if required- decompression) of signals generated by imaging sensors on-board scientific satellites. The performance, specifications and physical characteristics of CADISS are the result of trade-offs on function (algorithms), technology, through-put speed and...report 1987
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- Kuijpers, E.A. (author) report 1987
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van der Laan, F.B. (author), Meijer, P.G. (author)This report gives the results of a study carried out in the Remote Sensing Department of the National Aerospace Laboratory (NLR) in The Netherlands concerning the updating of land use on topographic maps using remote sensing information. It was found that SPOT multispectral imagery is less suitable for land use classification purposes than...report 1989
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Looyen, W.J. (author)Working with Remote Sensing data can be generalized into four categories: - registration - processing - interpretation - presentation. A short overview of these four categories will be given. Emphasis will be put on the Dutch airborne multichannel pushbroom scanner CAESAR showing specific geodetic points of interest in working with Remote...report 1989
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Looyen, W.J. (author), Verhoef, W. (author), Clevers, J.G.P.W. (author), lamers, J. (author), Boerma, J. (author)CAESAR, a multispectral pushbroom-scanner, was developed in The Netherlands within the framework of the National Remote Sensing Programme. In 1988 the scanner became available for specific remote sensing research. CAESAR is capable of obtaining information on the directional reflectance of objects on the ground by the acquisition of...report 1990
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Kuijpers, E.A. (author)The breadboard called PODI (Prototype Optical Diagnostic Instrument) was developed following a study for a general facility for fluid experimental research on fluid physics in a space laboratory. PODI has been developed further for the study of telescience and image processing related to microgee instrumentation. The extended breadboard called...report 1990
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- Komen, E.R. (author) doctoral thesis 1990
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Kuijpers, E.A. (author)The Prototype Optical Diagnostic Instrument (PODI) has been extended to Teleoperated PODI (TelePODI) to allow for the study of telescience and image processing for microgee related instrumentation. TelePODI has been integrated in the Telescience Test Bed, phase I, at ESTEC to simulate remote control. Telescience pilot experiments have been...report 1990
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- Kruis, F.E. (author), Scarlett, B. (author), Schoonman, J. (author) journal article 1991